20=10%
times 10
200=100%
he earned $200 at the parlor
The standard equation of circle when center is (h,k) and radius is 'r'

h = 2 and k = - 5, radius = 16
So equation of the circle is given by


triangle area: 19cm×17.5cm÷2=166.25
square area: 19cm×19cm=361
all:361+166.25×4=1026